If hydrogen is to ever to serve as an onboard energy carrier for the transportation industry, a material will be needed that can store large amounts of hydrogen at ambient temperature and pressure. So far, researchers have not found any material that can meet these requirements. But in a new study, a team from China and the US has taken a significant step toward this goal by identifying a material that can store hydrogen with a density as high as 4.6 wt. % (i.e., the hydrogen accounts for 4.6% of the total weight of the storage material), enabling it to meet the target of 4.3 wt. % set by the US department of Energy for 2010.
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